{
 "object": "spiral-flexure-bearings",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "flexure-40-3arm-w1.6-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-40-3arm-w1.6-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-40-3arm-w1.6-t0.5-steel.stl",
   "note": "planar spiral flexure \u00d840, 3 arms 1.6 wide, 0.5 thick (laser-cut spring steel / BeCu, DXF included), hub \u00d812 bore \u00d84, 3 rim holes",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-40-3arm-w1.6-t0.5-steel.dxf"
  },
  {
   "name": "flexure-40-3arm-w1.6-t2-print",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-40-3arm-w1.6-t2-print.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-40-3arm-w1.6-t2-print.stl",
   "note": "planar spiral flexure \u00d840, 3 arms 1.6 wide, 2.0 thick (printable PETG/nylon demonstrator), hub \u00d812 bore \u00d84, 3 rim holes"
  },
  {
   "name": "flexure-40-2arm-w1.6-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-40-2arm-w1.6-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-40-2arm-w1.6-t0.5-steel.stl",
   "note": "2-arm variant \u00d840 (lower axial stiffness, less radial)",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-40-2arm-w1.6-t0.5-steel.dxf"
  },
  {
   "name": "spacer-40-t2",
   "step": "/files/hardware/spiral-flexure-bearings/spacer-40-t2.step",
   "stl": "/files/hardware/spiral-flexure-bearings/spacer-40-t2.stl",
   "note": "stack spacer ring \u00d840, 4.8 wide, 2 thick (sets the gap between leaves)"
  },
  {
   "name": "clamp-plate-40",
   "step": "/files/hardware/spiral-flexure-bearings/clamp-plate-40.step",
   "stl": "/files/hardware/spiral-flexure-bearings/clamp-plate-40.stl",
   "note": "rim clamp plate \u00d840, 3 \u00d7 M3"
  },
  {
   "name": "hub-clamp-40-b4",
   "step": "/files/hardware/spiral-flexure-bearings/hub-clamp-40-b4.step",
   "stl": "/files/hardware/spiral-flexure-bearings/hub-clamp-40-b4.stl",
   "note": "hub clamp washer \u00d812, \u00d84 bore"
  },
  {
   "name": "flexure-60-3arm-w2-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-60-3arm-w2-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-60-3arm-w2-t0.5-steel.stl",
   "note": "planar spiral flexure \u00d860, 3 arms 2.0 wide, 0.5 thick (laser-cut spring steel / BeCu, DXF included), hub \u00d813.2 bore \u00d85, 3 rim holes",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-60-3arm-w2-t0.5-steel.dxf"
  },
  {
   "name": "flexure-60-3arm-w2-t2-print",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-60-3arm-w2-t2-print.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-60-3arm-w2-t2-print.stl",
   "note": "planar spiral flexure \u00d860, 3 arms 2.0 wide, 2.0 thick (printable PETG/nylon demonstrator), hub \u00d813.2 bore \u00d85, 3 rim holes"
  },
  {
   "name": "flexure-60-2arm-w2-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-60-2arm-w2-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-60-2arm-w2-t0.5-steel.stl",
   "note": "2-arm variant \u00d860 (lower axial stiffness, less radial)",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-60-2arm-w2-t0.5-steel.dxf"
  },
  {
   "name": "spacer-60-t2",
   "step": "/files/hardware/spiral-flexure-bearings/spacer-60-t2.step",
   "stl": "/files/hardware/spiral-flexure-bearings/spacer-60-t2.stl",
   "note": "stack spacer ring \u00d860, 7.2 wide, 2 thick (sets the gap between leaves)"
  },
  {
   "name": "clamp-plate-60",
   "step": "/files/hardware/spiral-flexure-bearings/clamp-plate-60.step",
   "stl": "/files/hardware/spiral-flexure-bearings/clamp-plate-60.stl",
   "note": "rim clamp plate \u00d860, 3 \u00d7 M3"
  },
  {
   "name": "hub-clamp-60-b5",
   "step": "/files/hardware/spiral-flexure-bearings/hub-clamp-60-b5.step",
   "stl": "/files/hardware/spiral-flexure-bearings/hub-clamp-60-b5.stl",
   "note": "hub clamp washer \u00d813.2, \u00d85 bore"
  },
  {
   "name": "flexure-80-3arm-w2.5-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-80-3arm-w2.5-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-80-3arm-w2.5-t0.5-steel.stl",
   "note": "planar spiral flexure \u00d880, 3 arms 2.5 wide, 0.5 thick (laser-cut spring steel / BeCu, DXF included), hub \u00d817.6 bore \u00d85, 3 rim holes",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-80-3arm-w2.5-t0.5-steel.dxf"
  },
  {
   "name": "flexure-80-3arm-w2.5-t2-print",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-80-3arm-w2.5-t2-print.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-80-3arm-w2.5-t2-print.stl",
   "note": "planar spiral flexure \u00d880, 3 arms 2.5 wide, 2.0 thick (printable PETG/nylon demonstrator), hub \u00d817.6 bore \u00d85, 3 rim holes"
  },
  {
   "name": "flexure-80-2arm-w2.5-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-80-2arm-w2.5-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-80-2arm-w2.5-t0.5-steel.stl",
   "note": "2-arm variant \u00d880 (lower axial stiffness, less radial)",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-80-2arm-w2.5-t0.5-steel.dxf"
  },
  {
   "name": "spacer-80-t2",
   "step": "/files/hardware/spiral-flexure-bearings/spacer-80-t2.step",
   "stl": "/files/hardware/spiral-flexure-bearings/spacer-80-t2.stl",
   "note": "stack spacer ring \u00d880, 9.6 wide, 2 thick (sets the gap between leaves)"
  },
  {
   "name": "clamp-plate-80",
   "step": "/files/hardware/spiral-flexure-bearings/clamp-plate-80.step",
   "stl": "/files/hardware/spiral-flexure-bearings/clamp-plate-80.stl",
   "note": "rim clamp plate \u00d880, 3 \u00d7 M3"
  },
  {
   "name": "hub-clamp-80-b5",
   "step": "/files/hardware/spiral-flexure-bearings/hub-clamp-80-b5.step",
   "stl": "/files/hardware/spiral-flexure-bearings/hub-clamp-80-b5.stl",
   "note": "hub clamp washer \u00d817.6, \u00d85 bore"
  },
  {
   "name": "flexure-100-3arm-w3-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-100-3arm-w3-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-100-3arm-w3-t0.5-steel.stl",
   "note": "planar spiral flexure \u00d8100, 3 arms 3.0 wide, 0.5 thick (laser-cut spring steel / BeCu, DXF included), hub \u00d822 bore \u00d88, 3 rim holes",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-100-3arm-w3-t0.5-steel.dxf"
  },
  {
   "name": "flexure-100-3arm-w3-t2-print",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-100-3arm-w3-t2-print.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-100-3arm-w3-t2-print.stl",
   "note": "planar spiral flexure \u00d8100, 3 arms 3.0 wide, 2.0 thick (printable PETG/nylon demonstrator), hub \u00d822 bore \u00d88, 3 rim holes"
  },
  {
   "name": "flexure-100-2arm-w3-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-100-2arm-w3-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-100-2arm-w3-t0.5-steel.stl",
   "note": "2-arm variant \u00d8100 (lower axial stiffness, less radial)",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-100-2arm-w3-t0.5-steel.dxf"
  },
  {
   "name": "spacer-100-t2",
   "step": "/files/hardware/spiral-flexure-bearings/spacer-100-t2.step",
   "stl": "/files/hardware/spiral-flexure-bearings/spacer-100-t2.stl",
   "note": "stack spacer ring \u00d8100, 12 wide, 2 thick (sets the gap between leaves)"
  },
  {
   "name": "clamp-plate-100",
   "step": "/files/hardware/spiral-flexure-bearings/clamp-plate-100.step",
   "stl": "/files/hardware/spiral-flexure-bearings/clamp-plate-100.stl",
   "note": "rim clamp plate \u00d8100, 3 \u00d7 M3"
  },
  {
   "name": "hub-clamp-100-b8",
   "step": "/files/hardware/spiral-flexure-bearings/hub-clamp-100-b8.step",
   "stl": "/files/hardware/spiral-flexure-bearings/hub-clamp-100-b8.stl",
   "note": "hub clamp washer \u00d822, \u00d88 bore"
  },
  {
   "name": "flexure-120-3arm-w3.5-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-120-3arm-w3.5-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-120-3arm-w3.5-t0.5-steel.stl",
   "note": "planar spiral flexure \u00d8120, 3 arms 3.5 wide, 0.5 thick (laser-cut spring steel / BeCu, DXF included), hub \u00d826.4 bore \u00d88, 3 rim holes",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-120-3arm-w3.5-t0.5-steel.dxf"
  },
  {
   "name": "flexure-120-3arm-w3.5-t2-print",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-120-3arm-w3.5-t2-print.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-120-3arm-w3.5-t2-print.stl",
   "note": "planar spiral flexure \u00d8120, 3 arms 3.5 wide, 2.0 thick (printable PETG/nylon demonstrator), hub \u00d826.4 bore \u00d88, 3 rim holes"
  },
  {
   "name": "flexure-120-2arm-w3.5-t0.5-steel",
   "step": "/files/hardware/spiral-flexure-bearings/flexure-120-2arm-w3.5-t0.5-steel.step",
   "stl": "/files/hardware/spiral-flexure-bearings/flexure-120-2arm-w3.5-t0.5-steel.stl",
   "note": "2-arm variant \u00d8120 (lower axial stiffness, less radial)",
   "dxf": "/files/hardware/spiral-flexure-bearings/flexure-120-2arm-w3.5-t0.5-steel.dxf"
  },
  {
   "name": "spacer-120-t2",
   "step": "/files/hardware/spiral-flexure-bearings/spacer-120-t2.step",
   "stl": "/files/hardware/spiral-flexure-bearings/spacer-120-t2.stl",
   "note": "stack spacer ring \u00d8120, 14.4 wide, 2 thick (sets the gap between leaves)"
  },
  {
   "name": "clamp-plate-120",
   "step": "/files/hardware/spiral-flexure-bearings/clamp-plate-120.step",
   "stl": "/files/hardware/spiral-flexure-bearings/clamp-plate-120.stl",
   "note": "rim clamp plate \u00d8120, 3 \u00d7 M3"
  },
  {
   "name": "hub-clamp-120-b8",
   "step": "/files/hardware/spiral-flexure-bearings/hub-clamp-120-b8.step",
   "stl": "/files/hardware/spiral-flexure-bearings/hub-clamp-120-b8.stl",
   "note": "hub clamp washer \u00d826.4, \u00d88 bore"
  }
 ]
}